Gallery: High-priced toys for overgrown children

You might think the uber-rich already have everything they could possibly want. And while mega-expensive toys might be only way to go with this group, it can be tough to figure out just how to spend those untold thousands (or millions) of dollars on them. Here are some fail-safe gift suggestions that they'll almost appreciate.

The Hydro-Powered Jetovator. They may have yet to come up with a jet pack that can send you flying around the globe, Iron Man-style. But they do have this: the Hydro-Powered Jetovator. Propelled by the sheer force of water pressure, the Jetovator can take you as high as 25 feet into the air, where you can perform all sorts of acrobatic tricks. And if the advertisement is to believed, it only takes about 20 minutes of instruction in order to operate it without killing yourself. $7,000 from Hammacher Schlemmer.